/* delete.c - ldbm backend delete routine */
+#include "portable.h"
+
#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
#include "slap.h"
#include "back-ldbm.h"
-
-extern Entry *dn2entry();
-extern Attribute *attr_find();
+#include "proto-back-ldbm.h"
int
ldbm_back_delete(
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- char *matched = NULL;
- Entry *e;
+ char *matched = NULL;
+ char *pdn = NULL;
+ Entry *e, *p = NULL;
+ int rootlock = 0;
+ int rc = -1;
- if ( (e = dn2entry( be, dn, &matched )) == NULL ) {
+ Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", dn, 0, 0);
+
+ /* get entry with writer lock */
+ if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
+ Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
+ dn, 0, 0);
send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
if ( matched != NULL ) {
free( matched );
return( -1 );
}
+ /* check for deleted */
+
if ( has_children( be, e ) ) {
+ Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
+ dn, 0, 0);
send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF, "",
"" );
- cache_return_entry( &li->li_cache, e );
- return( -1 );
+ goto return_results;
}
- if ( ! access_allowed( be, conn, op, e, "entry", NULL, op->o_dn,
- ACL_WRITE ) ) {
+#ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
+ if ( ! access_allowed( be, conn, op, e,
+ "entry", NULL, ACL_WRITE ) )
+ {
+ Debug(LDAP_DEBUG_ARGS,
+ "<=- ldbm_back_delete: insufficient access %s\n",
+ dn, 0, 0);
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
- cache_return_entry( &li->li_cache, e );
- return( -1 );
+ goto return_results;
+ }
+#endif
+
+ /* delete from parent's id2children entry */
+ if( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
+ if( (p = dn2entry_w( be, pdn, &matched )) == NULL) {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: parent does not exist\n",
+ 0, 0, 0);
+ send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
+ "", "");
+ goto return_results;
+ }
+
+#ifndef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
+ /* check parent for "children" acl */
+ if ( ! access_allowed( be, conn, op, p,
+ "children", NULL, ACL_WRITE ) )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no access to parent\n", 0,
+ 0, 0 );
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ "", "" );
+ goto return_results;
+ }
+#endif
+
+ } else {
+ /* no parent, must be root to delete */
+ if( ! be_isroot( be, op->o_ndn ) ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no parent & not root\n",
+ 0, 0, 0);
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ "", "");
+ goto return_results;
+ }
+
+ ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
+ rootlock = 1;
}
- /* XXX delete from parent's id2children entry XXX */
+ if ( id2children_remove( be, p, e ) != 0 ) {
+ Debug(LDAP_DEBUG_ARGS,
+ "<=- ldbm_back_delete: operations error %s\n",
+ dn, 0, 0);
+ send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "","" );
+ goto return_results;
+ }
/* delete from dn2id mapping */
- if ( dn2id_delete( be, e->e_dn ) != 0 ) {
+ if ( dn2id_delete( be, e->e_ndn ) != 0 ) {
+ Debug(LDAP_DEBUG_ARGS,
+ "<=- ldbm_back_delete: operations error %s\n",
+ dn, 0, 0);
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
- cache_return_entry( &li->li_cache, e );
- return( -1 );
+ goto return_results;
}
/* delete from disk and cache */
if ( id2entry_delete( be, e ) != 0 ) {
+ Debug(LDAP_DEBUG_ARGS,
+ "<=- ldbm_back_delete: operations error %s\n",
+ dn, 0, 0);
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
- cache_return_entry( &li->li_cache, e );
- return( -1 );
+ goto return_results;
}
- cache_return_entry( &li->li_cache, e );
send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
+ rc = 0;
+
+return_results:;
+ if ( pdn != NULL ) free(pdn);
+
+ if( p != NULL ) {
+ /* free parent and writer lock */
+ cache_return_entry_w( &li->li_cache, p );
+ }
+
+ if ( rootlock ) {
+ /* release root lock */
+ ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
+ }
+
+ /* free entry and writer lock */
+ cache_return_entry_w( &li->li_cache, e );
+
+ if ( matched != NULL ) free(matched);
- return( 0 );
+ return rc;
}